TM 10-3930-669-20 WARNING Remove all jewelry such as rings, dog tags, bracelets, etc.  If jewelry contacts battery terminal, a direct short may result in instant heating of tools, damage to equipment, and injury or death to personnel. VOLTAGE TEST (1) Remove relay R3 (Para 7-33). (2) Set multimeter select switch to VOLTS DC. (3) Connect positive (+) multimeter lead to relay R3, terminal 30 cavity. (4) Connect negative (-) multimeter lead to a known good ground. (5) Start engine (TM 10-3930-669-10). (a) If there are not 22 to 24 vdc present, perform Step (6) below and repair wire 33 (see schematic Appendix F). (b) If there are 22 to 24 vdc present, wire 33 is OK. (6) Shut down engine. (7) Install relay R3 (Para 7-33) (8) Install upper and lower column covers (Para 7-21). VOLTAGE TEST (1) Remove relay R5 (Para 7-33). (2) Set multimeter select switch to OHMS. (3) Check continuity between relay R3, terminal 87 and relay R5, terminal 86 cavities. (a) If there is no continuity, repair wire 32 (see schematic Appendix F). (b) If there is continuity, replace relay R3. (4) Install relays R5 and R3. 2-31